Native plants, Bachman Run, Lebanon county PA

I am not sure if the leafy plant is the same one I posted pics of before, and it has just grown, or if it is a different plant. I have no idea what the grass like plant is. Bachman run feeds into Quittapahilla Creek. Edit; I tried to include a link to the previous thread from Quittapahilla creek in the Identification Assistance section, but it will not let me include it.

Cant see enough detail in those pics, but the broad-leafed one might be watercress. The grassy one might be a grass (duh), sedge, rush, pondweed, ...??? Pull out a single plant and lay it in a shallow tray of water or photo-tank to photograph, so we can see leaf shapes and leaf arrangement on the stems.

Gerald Pottern
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Hangin' on the Neuse
"Taxonomy is the diaper used to organize the mess of evolution into discrete packages" - M.Sandel